753 Harry Quinn Special

Harry Quinn 753 Special frame set
Circa early 1980s ?

Tubing

 Reynolds 753

Head angle

 73 degrees
Frame size 21 1/2" / 54 cm c-to-top seat angle 74 degrees
  20 1/2" / 52 cm  c-to-c Fork offset 2" / 50 mm
Top tube 21 1/2" c-to-c Seat post diameter 27.2 mm
Chain stays 16" /  40.7 cm bb height 10 1/2" / 27 cm
Rear spacing 124 mm Stand over 30 1/2" / 77.5 cm


Notice drilled fork ends (Campagnolo)

 

 

 


Drilled (partially, not all the way through) fork ends

 

 


 

 


The Cinelli "Spoiler" bbkt shell..